Re: [PATCH 1/1] suspend: delete sys_sync()

From: Oliver Neukum
Date: Tue May 12 2015 - 02:12:34 EST

On Mon, 2015-05-11 at 16:34 -0400, Len Brown wrote:
> But upon reflection, I do not believe that the kernel is adding value
> here,
> instead it is imposing a policy, and that policy decision is sometimes
> prohibitively expensive.
> User-space can do this for itself (and in the case of desktop distros,
> already does),
> and so the kernel should butt-out.

There is however a race condition with doing it in user space.
So adding a parameter to select behavior would increase safety a bit.


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